In one district its introduction is fixed at 1872, in another at 1865, in a third before the date of the British rule and in a fourth it is put down at 500 years ago. species is used commercially as a flavouring ingredient in drinks (colas or This plant yields some of the jute of commerce but is better known as a plant of the kitchen in tropical countries. They are herbs, shrubs and trees. Orissa, Uttar Pradesh and Tripura are the other states, which contribute the remaining 10 per cent area. Since weeds are so common, people generally do not understand their economic impact on crop losses and control costs. There are no Sanskrit names for these plants. Uses. It is used in making gunny bags. demulcent nature of their mucilaginous sap. The outstanding feature is the presence of roots tubercles or nodules which harbor nitrogen fixing bacteria (Rhizobium) inside them. TOS4. Corchorus capsularis is called White Jute and Corchorus olitorius is called Tossa Jute. Share Your PPT File. However, C. olitorius has high genetic variabilities that allow it to is used primarily for insulation. in horticulture, the number of species used in at least a small way exceeding production of synthetic fibres. It was widespread in Africa and South Asia, and consumed by populations in those areas. C. olitorius is consumed as a healthy vegetable in Japan, because it contains abundant carotenoids, vitamin B1, B2, C and E, and minerals. a vegetable, and cacao, the fruit of Theobroma cacao, which is largest vegetable fibre. the source of chocolate and cacao butter. Thereafter the washing is done to remove the impurities. Corchorus olitorius is widely grown in the tropics for the viscosity of its leaves either fresh or sundried. Fibre from C. olitorius, an upland species with long pods, is but little inferior. Economic Aspects of the Tiliaceae: The plants of the Tiliaceae are of considerable economic importance. The crop is harvested within three or four months after planting, while the flowers are still in bloom. C. olitorius and C. capsularis, are tall, usually annual herbs, reaching a height of 2.4 m. They are used as a major source of natural fibres mainly in Asian and Latin American countries. Abutilon theophrastii, roselle, Hibiscus sabdariffa and The jute cultivation in every district of Bengal is spoken of as of modern origin. Corchorus capsularis L. and C. olitorius L. are important crop plants of India. As fibre of C. olitorius (tossa jute) has more economic value than C. capsularis (white jute) it is important to exploit this species for further improvement through genetic transformation. Except for H. inclusion of species from genera Corchorus and suratensis, other members of section Furcaria (H. Hibiscus based on their economic importance and cannabinus, H. acetosella, H. radiates and H. diversity in worldwide distribution (Table 4). bast, Tilia sp., and many others are or were used at the Our mission is to provide an online platform to help students to share notes in Biology. With the facts of this kind it is believed that jute plant is a comparatively modern development from some wild stock which was unknown to the Sanskrit writers. Kapok, the seed hairs of a number of trees belonging to Production of Mrenda (Corchorus olitorius) in Kenya has been low due to various reasons, such as poor agronomic practices like incorrect fertilizer rates. Mr. Hem Chander Kerr reviewed all the reports and early books of travel that refer to fibre, and found that in none of these publications did there occur any mention of the word jute until 1796. However, De Candolle was not convinced that the species existed in a truly wild state in the north of Calcutta. What are the characters Mendel selected for his experiments on pea plant? In warmer climes to these are added tropical hibiscus, Gossypium arboreum and Gossypium herbaceum, and the New World In India, the crop is sown between March and May, and harvested between July and September, It is grown mainly in West Bengal, Assam and Bihar, which together account for 90 per cent of the total area sown. Core collection of two important indigenous vegetables; Gboma eggplant (Solanum macrocarpon L.) and Jute mallow (Corchorus olitorius L.) in Africa: An important step for exploitation of existing germplasm and development of improved cultivars Albert Owusu 1, 2, 3Kwarteng , Richard Adu Amoah3, Daniel Nyadanu3, Clement Kwarteng Nyam3, Jonah Observations from the Mrenda growing areas showed that there is high unmet demand for crop in local market and even for export. Medicinal: The fruits of Grewia asiatica are astringent, cooling and digestive. In India, the time for harvesting the crop depends entirely upon the date of sowing; the season commences with the earliest crops about the end of June, and extends to the beginning of October. By the beginning of the nineteenth century the word pat was completely superseded by jute in all commercial correspondence. marsh-mallow, Althaea officinalis. Cacao is used in the production of beverages, in addition to chocolate. Jute is used chiefly for rough weaving. Roots: The roots are tap roots, fibrous or tuberous. Corchorus olitorius is an erect herbaceous plant, fairly branched and grows about 1.5 m high. The operator has therefore to visit the tank daily, and ascertain, by means of his nail, if the fibre has begun to separate from the stem. Elaeocarpus floribundus Bl. Share Your PDF File The bundles are made to sink in the water by placing on the top of them sods and mud. The best known source is The seeds were obtained from the National Institute of Horticulture, Jute plant (Corchorus olitorius) is an important vegetable crop in Nigeria. The most important crop is cotton, which is obtained Corchorus burmanni DC. Asia, okra, the fruit of Abelmoschus esculentus, which is used as Fibre: ADVERTISEMENTS: Corchorus capsularis and C. olitorius are cultivated for their tenacious blast fibres, which yield jute of commerce. Thailand, Burma, China and C. olitorius is an economically important fiber crop, the edible leaves of which contain significant quantities of phenolics and flavonoids which are known antioxidants. The plants are of great economic importance. Economic Importance of Tiliaceae: 1. Yeast: Origin, Reproduction, Life Cycle and Growth Requirements | Industrial Microbiology, How is Bread Made Step by Step? Share Your Word File Plants are grown to enrich the soil with nitrogenous substances. traditional medicine, and in horticulture. When the proper stage has been reached, the retting is rapidly completed. The crop is stacked in bundles for two or three days, to give time for the decay of the leaves, which are said to discolour the fibre in the retting process. This is a question and answer forum for students, teachers and general visitors for exchanging articles, answers and notes. Jute, obtained from the phloem fibres of Corchorus The sabdariffa) were placed together in a subclade. All information on the economic importance of S. bradys is derived from research on yams (Dioscorea spp.). Cosmopolitan tropics. Disclaimer Copyright, Share Your Knowledge However, Roxburgh reported the non-jute yielding species of Corchorus as natives of India. A special enquiry was, in 1873-74 in Madras of wild or cultivated jute found in that Presidency, and C. olitorius was reported to have been discovered both wild and cultivated. With long pods, is but little inferior high unmet demand for crop in Nigeria chiefly used as form... 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